Messages in this thread | | | Date | Fri, 29 Mar 2024 10:08:03 -0700 | Subject | Re: [syzbot] [audit?] [bpf?] INFO: rcu detected stall in kauditd_thread (4) | From | syzbot <> |
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Hello,
syzbot tried to test the proposed patch but the build/boot failed:
onnector registered [ 8.925501][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 8.936918][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 9.031871][ T1] Console: switching to colour frame buffer device 128x48 [ 9.049570][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 9.050924][ T1] usbcore: registered new interface driver udl [ 9.140069][ T1] brd: module loaded [ 9.257049][ T1] loop: module loaded [ 9.412333][ T1] zram: Added device: zram0 [ 9.424889][ T1] null_blk: disk nullb0 created [ 9.425718][ T1] null_blk: module loaded [ 9.427782][ T1] Guest personality initialized and is inactive [ 9.429970][ T1] VMCI host device registered (name=vmci, major=10, minor=118) [ 9.431095][ T1] Initialized host personality [ 9.432024][ T1] usbcore: registered new interface driver rtsx_usb [ 9.433983][ T1] usbcore: registered new interface driver viperboard [ 9.435713][ T1] usbcore: registered new interface driver dln2 [ 9.437613][ T1] usbcore: registered new interface driver pn533_usb [ 9.445487][ T1] nfcsim 0.2 initialized [ 9.446814][ T1] usbcore: registered new interface driver port100 [ 9.448211][ T1] usbcore: registered new interface driver nfcmrvl [ 9.455761][ T1] Loading iSCSI transport class v2.0-870. [ 9.481077][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 9.491184][ T1] ------------[ cut here ]------------ [ 9.491949][ T1] refcount_t: decrement hit 0; leaking memory. [ 9.493197][ T1] WARNING: CPU: 0 PID: 1 at lib/refcount.c:31 refcount_warn_saturate+0x1ed/0x210 [ 9.494503][ T1] Modules linked in: [ 9.495197][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc1-syzkaller-00178-g317c7bc0ef03-dirty #0 [ 9.496752][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 9.498118][ T1] RIP: 0010:refcount_warn_saturate+0x1ed/0x210 [ 9.499016][ T1] Code: 8b e8 d7 34 d2 fc 90 0f 0b 90 90 e9 c3 fe ff ff e8 c8 c6 0f fd c6 05 fa f0 4c 0b 01 90 48 c7 c7 80 e5 8e 8b e8 b4 34 d2 fc 90 <0f> 0b 90 90 e9 a0 fe ff ff 48 89 ef e8 e2 f2 6a fd e9 44 fe ff ff [ 9.501796][ T1] RSP: 0000:ffffc900000673c0 EFLAGS: 00010286 [ 9.502670][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff814fe149 [ 9.503753][ T1] RDX: ffff888016ec0000 RSI: ffffffff814fe156 RDI: 0000000000000001 [ 9.504990][ T1] RBP: ffff888147a9da7c R08: 0000000000000001 R09: 0000000000000000 [ 9.506141][ T1] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888147a9da7c [ 9.507308][ T1] R13: 0000000000000000 R14: 00000000034c00b9 R15: ffff88801687cd88 [ 9.508457][ T1] FS: 0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 9.509770][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.510753][ T1] CR2: ffff88823ffff000 CR3: 000000000d97a000 CR4: 00000000003506f0 [ 9.511894][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9.513054][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9.514199][ T1] Call Trace: [ 9.514874][ T1] <TASK> [ 9.515320][ T1] ? show_regs+0x8c/0xa0 [ 9.515938][ T1] ? __warn+0xe5/0x3c0 [ 9.516504][ T1] ? __wake_up_klogd.part.0+0x99/0xf0 [ 9.517289][ T1] ? refcount_warn_saturate+0x1ed/0x210 [ 9.518112][ T1] ? report_bug+0x3c0/0x580 [ 9.518784][ T1] ? handle_bug+0x3d/0x70 [ 9.519418][ T1] ? exc_invalid_op+0x17/0x50 [ 9.520133][ T1] ? asm_exc_invalid_op+0x1a/0x20 [ 9.520890][ T1] ? __warn_printk+0x199/0x350 [ 9.521627][ T1] ? __warn_printk+0x1a6/0x350 [ 9.522359][ T1] ? refcount_warn_saturate+0x1ed/0x210 [ 9.523209][ T1] __reset_page_owner+0x2ea/0x370 [ 9.523932][ T1] __free_pages_ok+0x5a9/0xbf0 [ 9.524704][ T1] ? __split_page_owner+0xdd/0x120 [ 9.525413][ T1] make_alloc_exact+0x165/0x260 [ 9.526180][ T1] vring_alloc_queue+0xc1/0x110 [ 9.527000][ T1] vring_alloc_queue_split+0x186/0x510 [ 9.527845][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10 [ 9.528704][ T1] ? kasan_save_stack+0x42/0x60 [ 9.529397][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.530249][ T1] vring_create_virtqueue_split+0xe8/0x280 [ 9.531109][ T1] ? __pfx_vp_notify+0x10/0x10 [ 9.531838][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10 [ 9.532706][ T1] ? virtio_scsi_init+0x75/0x100 [ 9.533384][ T1] ? do_one_initcall+0x128/0x700 [ 9.534078][ T1] ? kernel_init_freeable+0x69d/0xca0 [ 9.534939][ T1] vring_create_virtqueue+0xd7/0x140 [ 9.535789][ T1] ? __pfx_vp_notify+0x10/0x10 [ 9.536450][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.537233][ T1] setup_vq+0x123/0x2f0 [ 9.537807][ T1] ? __pfx_vp_notify+0x10/0x10 [ 9.538463][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.539325][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.540143][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.540960][ T1] vp_setup_vq+0xb1/0x380 [ 9.541628][ T1] ? iowrite16+0x55/0x80 [ 9.542223][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.542989][ T1] vp_find_vqs_msix+0x661/0xe30 [ 9.543719][ T1] vp_find_vqs+0x58/0x560 [ 9.544394][ T1] virtscsi_init+0x459/0x9f0 [ 9.545082][ T1] ? __pfx_virtscsi_init+0x10/0x10 [ 9.545805][ T1] ? __pfx_default_calc_sets+0x10/0x10 [ 9.546590][ T1] ? ioread8+0x4e/0xa0 [ 9.547161][ T1] ? vp_get+0xf6/0x140 [ 9.547727][ T1] virtscsi_probe+0x3b2/0xdd0 [ 9.548378][ T1] ? __pfx_virtscsi_probe+0x10/0x10 [ 9.549118][ T1] ? trace_raw_output_sched_pi_setprio+0xad/0x150 [ 9.550033][ T1] ? vring_transport_features+0x49/0xb0 [ 9.550796][ T1] virtio_dev_probe+0x5ff/0x9b0 [ 9.551467][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 9.552207][ T1] really_probe+0x23e/0xa90 [ 9.552833][ T1] __driver_probe_device+0x1de/0x440 [ 9.553620][ T1] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 9.554433][ T1] driver_probe_device+0x4c/0x1b0 [ 9.555130][ T1] __driver_attach+0x283/0x580 [ 9.555809][ T1] ? __pfx___driver_attach+0x10/0x10 [ 9.556553][ T1] bus_for_each_dev+0x13c/0x1d0 [ 9.557221][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 9.557958][ T1] bus_add_driver+0x2ed/0x640 [ 9.558607][ T1] driver_register+0x15c/0x4b0 [ 9.559261][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 9.560012][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 9.560746][ T1] virtio_scsi_init+0x75/0x100 [ 9.561401][ T1] do_one_initcall+0x128/0x700 [ 9.562065][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 9.562813][ T1] ? trace_kmalloc+0x2d/0xe0 [ 9.563451][ T1] ? __kmalloc+0x218/0x440 [ 9.564063][ T1] kernel_init_freeable+0x69d/0xca0 [ 9.564821][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.565561][ T1] kernel_init+0x1c/0x2b0 [ 9.566160][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.566837][ T1] ret_from_fork+0x45/0x80 [ 9.567453][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.568132][ T1] ret_from_fork_asm+0x1a/0x30 [ 9.568792][ T1] </TASK> [ 9.569217][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 9.570203][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc1-syzkaller-00178-g317c7bc0ef03-dirty #0 [ 9.571565][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 9.572900][ T1] Call Trace: [ 9.573380][ T1] <TASK> [ 9.573813][ T1] dump_stack_lvl+0x3d/0x1f0 [ 9.574451][ T1] panic+0x6f5/0x7a0 [ 9.574804][ T1] ? __pfx_panic+0x10/0x10 [ 9.574804][ T1] ? show_trace_log_lvl+0x363/0x500 [ 9.574804][ T1] ? check_panic_on_warn+0x1f/0xb0 [ 9.574804][ T1] ? refcount_warn_saturate+0x1ed/0x210 [ 9.574804][ T1] check_panic_on_warn+0xab/0xb0 [ 9.574804][ T1] __warn+0xf1/0x3c0 [ 9.574804][ T1] ? __wake_up_klogd.part.0+0x99/0xf0 [ 9.574804][ T1] ? refcount_warn_saturate+0x1ed/0x210 [ 9.574804][ T1] report_bug+0x3c0/0x580 [ 9.574804][ T1] handle_bug+0x3d/0x70 [ 9.574804][ T1] exc_invalid_op+0x17/0x50 [ 9.574804][ T1] asm_exc_invalid_op+0x1a/0x20 [ 9.574804][ T1] RIP: 0010:refcount_warn_saturate+0x1ed/0x210 [ 9.574804][ T1] Code: 8b e8 d7 34 d2 fc 90 0f 0b 90 90 e9 c3 fe ff ff e8 c8 c6 0f fd c6 05 fa f0 4c 0b 01 90 48 c7 c7 80 e5 8e 8b e8 b4 34 d2 fc 90 <0f> 0b 90 90 e9 a0 fe ff ff 48 89 ef e8 e2 f2 6a fd e9 44 fe ff ff [ 9.574804][ T1] RSP: 0000:ffffc900000673c0 EFLAGS: 00010286 [ 9.574804][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff814fe149 [ 9.574804][ T1] RDX: ffff888016ec0000 RSI: ffffffff814fe156 RDI: 0000000000000001 [ 9.574804][ T1] RBP: ffff888147a9da7c R08: 0000000000000001 R09: 0000000000000000 [ 9.574804][ T1] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888147a9da7c [ 9.574804][ T1] R13: 0000000000000000 R14: 00000000034c00b9 R15: ffff88801687cd88 [ 9.574804][ T1] ? __warn_printk+0x199/0x350 [ 9.574804][ T1] ? __warn_printk+0x1a6/0x350 [ 9.574804][ T1] __reset_page_owner+0x2ea/0x370 [ 9.574804][ T1] __free_pages_ok+0x5a9/0xbf0 [ 9.574804][ T1] ? __split_page_owner+0xdd/0x120 [ 9.574804][ T1] make_alloc_exact+0x165/0x260 [ 9.574804][ T1] vring_alloc_queue+0xc1/0x110 [ 9.574804][ T1] vring_alloc_queue_split+0x186/0x510 [ 9.574804][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10 [ 9.574804][ T1] ? kasan_save_stack+0x42/0x60 [ 9.574804][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.574804][ T1] vring_create_virtqueue_split+0xe8/0x280 [ 9.574804][ T1] ? __pfx_vp_notify+0x10/0x10 [ 9.574804][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10 [ 9.574804][ T1] ? virtio_scsi_init+0x75/0x100 [ 9.574804][ T1] ? do_one_initcall+0x128/0x700 [ 9.574804][ T1] ? kernel_init_freeable+0x69d/0xca0 [ 9.574804][ T1] vring_create_virtqueue+0xd7/0x140 [ 9.574804][ T1] ? __pfx_vp_notify+0x10/0x10 [ 9.574804][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.574804][ T1] setup_vq+0x123/0x2f0 [ 9.574804][ T1] ? __pfx_vp_notify+0x10/0x10 [ 9.574804][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.574804][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.574804][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.574804][ T1] vp_setup_vq+0xb1/0x380 [ 9.574804][ T1] ? iowrite16+0x55/0x80 [ 9.574804][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 9.574804][ T1] vp_find_vqs_msix+0x661/0xe30 [ 9.574804][ T1] vp_find_vqs+0x58/0x560 [ 9.574804][ T1] virtscsi_init+0x459/0x9f0 [ 9.574804][ T1] ? __pfx_virtscsi_init+0x10/0x10 [ 9.574804][ T1] ? __pfx_default_calc_sets+0x10/0x10 [ 9.574804][ T1] ? ioread8+0x4e/0xa0 [ 9.574804][ T1] ? vp_get+0xf6/0x140 [ 9.574804][ T1] virtscsi_probe+0x3b2/0xdd0 [ 9.574804][ T1] ? __pfx_virtscsi_probe+0x10/0x10 [ 9.574804][ T1] ? trace_raw_output_sched_pi_setprio+0xad/0x150 [ 9.574804][ T1] ? vring_transport_features+0x49/0xb0 [ 9.574804][ T1] virtio_dev_probe+0x5ff/0x9b0 [ 9.574804][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 9.574804][ T1] really_probe+0x23e/0xa90 [ 9.574804][ T1] __driver_probe_device+0x1de/0x440 [ 9.574804][ T1] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 9.574804][ T1] driver_probe_device+0x4c/0x1b0 [ 9.574804][ T1] __driver_attach+0x283/0x580 [ 9.574804][ T1] ? __pfx___driver_attach+0x10/0x10 [ 9.574804][ T1] bus_for_each_dev+0x13c/0x1d0 [ 9.574804][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 9.574804][ T1] bus_add_driver+0x2ed/0x640 [ 9.574804][ T1] driver_register+0x15c/0x4b0 [ 9.574804][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 9.574804][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 9.574804][ T1] virtio_scsi_init+0x75/0x100 [ 9.574804][ T1] do_one_initcall+0x128/0x700 [ 9.574804][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 9.574804][ T1] ? trace_kmalloc+0x2d/0xe0 [ 9.574804][ T1] ? __kmalloc+0x218/0x440 [ 9.574804][ T1] kernel_init_freeable+0x69d/0xca0 [ 9.574804][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.574804][ T1] kernel_init+0x1c/0x2b0 [ 9.574804][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.574804][ T1] ret_from_fork+0x45/0x80 [ 9.574804][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.574804][ T1] ret_from_fork_asm+0x1a/0x30 [ 9.574804][ T1] </TASK> [ 9.574804][ T1] Kernel Offset: disabled [ 9.574804][ T1] Rebooting in 86400 seconds..
syzkaller build log: go env (err=<nil>) GO111MODULE='auto' GOARCH='amd64' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFLAGS='' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.21.4' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOWORK='' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' PKG_CONFIG='pkg-config' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build932799495=/tmp/go-build -gno-record-gcc-switches'
git status (err=<nil>) HEAD detached at 454571b6a nothing to commit, working tree clean
tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=454571b6a16598f5a6e015b9fb1a04932bce7ab9 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240326-163935'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=454571b6a16598f5a6e015b9fb1a04932bce7ab9 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240326-163935'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=454571b6a16598f5a6e015b9fb1a04932bce7ab9 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240326-163935'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"454571b6a16598f5a6e015b9fb1a04932bce7ab9\"
Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=11a50795180000
Tested on:
commit: 317c7bc0 Merge tag 'mmc-v6.9-rc1' of git://git.kernel... git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master kernel config: https://syzkaller.appspot.com/x/.config?x=f64ec427e98bccd7 dashboard link: https://syzkaller.appspot.com/bug?extid=81f5ca46b043d4a1b789 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=17287791180000
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